Shielded universal joint, jointed tool and guided surgical drill

Details Shielded universal joint, jointed tool and guided surgical drill Shielded universal joint, jointed tool and guided surgical drill

1991-03-11

1993-08-17

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Means to drive tool

Universal or flexible drive connection to rotate tool

8117775, 279 16, 403 57, 403123, 408 72B, 606 80, B23B 4500

Patent

active

052362892

ABSTRACT:
A shielded universal joint having a pivot head defining a primary axis. The pivot head has a ball and a neck. The ball has a longitudinal slot. The slot has a throat at the center of the ball. The imperfect socket head is provided having a socket and a pin. The socket defines a secondary axis. The socket has a cavity concentric with the secondary axis. The cavity closely receives the ball. The socket has a continuous margin. The pin is joined to the socket in spaced relation to the margin. The pin extends through the passage. The pin defines a first pivot axis extending longitudinally through the pin. The pin and the throat define a second pivot axis extending through the throat and the pin perpendicularly to the first pivot axis. The socket head is simultaneously pivotal relative to the ball about both of the pivot axes.

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